Research Article

Numerical Method for American Option Pricing under the Time-Fractional Black–Scholes Model

Table 5

Numerical convergence order in space for varying when .

, 0.10.40.7

400.76780.5851.77471.89812.52822.5235
80−1.4272−12.05313.45942.19142.2995
1600.789911.86351.7372.23262.1155